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44 lines
1.8 KiB
JavaScript
44 lines
1.8 KiB
JavaScript
// @ts-check
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const assert = require("assert").strict
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const Ty = require("../../types")
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const passthrough = require("../../passthrough")
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const {discord, sync, db, select} = passthrough
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/** @type {import("../converters/utils")} */
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const utils = sync.require("../converters/utils")
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/** @type {import("../converters/emoji")} */
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const emoji = sync.require("../converters/emoji")
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/**
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* @param {Ty.Event.Outer<Ty.Event.M_Reaction>} event
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*/
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async function addReaction(event) {
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const channelID = select("channel_room", "channel_id", {room_id: event.room_id}).pluck().get()
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if (!channelID) return // We just assume the bridge has already been created
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const messageID = select("event_message", "message_id", {event_id: event.content["m.relates_to"].event_id}, "ORDER BY reaction_part").pluck().get()
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if (!messageID) return // Nothing can be done if the parent message was never bridged.
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const key = event.content["m.relates_to"].key
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const discordPreferredEncoding = await emoji.encodeEmoji(key, event.content.shortcode)
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if (!discordPreferredEncoding) return
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try {
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await discord.snow.channel.createReaction(channelID, messageID, discordPreferredEncoding) // acting as the discord bot itself
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} catch (e) {
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if (e.message?.includes("Maximum number of reactions reached")) {
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// we'll silence this particular error to avoid spamming the chat
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// not adding it to the database otherwise a m->d removal would try calling the API
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return
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}
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if (e.message?.includes("Unknown Emoji")) {
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// happens if a matrix user tries to add on to a super reaction
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return
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}
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throw e
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}
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db.prepare("REPLACE INTO reaction (hashed_event_id, message_id, encoded_emoji, original_encoding) VALUES (?, ?, ?, ?)").run(utils.getEventIDHash(event.event_id), messageID, discordPreferredEncoding, key)
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}
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module.exports.addReaction = addReaction
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